How Japanese Farmer Make Sponge From Konjac Potato - Konjac Potato Farming and Harvesting Technique

Konjac plants have been grown in Gunma Prefecture Japan since the 1500s and now Japan accounts for over 60% of World’s share. Konjac plants are delicate; they prefer well-draining soil, mild summers and dry winters. It takes 3 to 4 years until the plants are ready for harvest and high level of farming techniques is required. Konjac products are made up a dietary fiber called glucomannan. Glucomannan expands when mixed with water and coagulates when calcium is added, creating a distinct texture unique to konjac. During the coagulation process, konjac can be colored and shaped into various forms, including squares, balls or thin strings, leading to the development of a variety of products. In the video will be some main products, especially sponges for washing your face Credit: Yoshikazu Hatanaka Co., Ltd Yamamoto Farm If you are the owner, send me a comment on the video. I will follow your request as